:root{--ink:#152238;--muted:#667085;--paper:#fff;--soft:#f4f7fb;--brand:#2556d8;--brand2:#173ca1;--accent:#ff7a45;--line:#e5eaf1;--good:#0c7a5a}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.72}
a{color:var(--brand)}img{max-width:100%}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{max-width:1200px;margin:auto;display:flex;align-items:center;gap:22px;padding:12px 20px}.brand{font-weight:900;text-decoration:none;color:var(--ink);font-size:1.08rem;white-space:nowrap}
.navlinks{display:flex;gap:18px;align-items:center;margin-left:auto}.navlinks a{text-decoration:none;color:var(--ink);font-weight:650}.header-cta{margin-left:8px}
.btn{display:inline-block;background:var(--brand);color:#fff!important;text-decoration:none;padding:12px 18px;border-radius:11px;font-weight:800;border:0}.btn:hover{background:var(--brand2)}.btn.secondary{background:var(--ink)}
.hero{background:linear-gradient(135deg,#eef4ff 0%,#fff7f0 100%);padding:62px 20px}.hero-inner{max-width:1000px;margin:auto}.eyebrow{font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;color:var(--brand);font-weight:850}
h1{font-size:clamp(2.25rem,5vw,4.4rem);line-height:1.04;letter-spacing:-.035em;margin:.22em 0}.dek{font-size:1.2rem;color:var(--muted);max-width:800px}.hero-actions{margin-top:24px;display:flex;gap:10px;flex-wrap:wrap}
.layout{max-width:1200px;margin:0 auto;padding:38px 20px 80px;display:grid;grid-template-columns:minmax(0,790px) 310px;gap:58px}.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:24px}.breadcrumbs a{color:inherit}
article{font-size:1.035rem}article h2{font-size:1.76rem;line-height:1.2;letter-spacing:-.02em;margin:2.25em 0 .65em}article h3{font-size:1.18rem;margin:1.5em 0 .3em}article p{margin:0 0 1.15em}
.card,.factbox,.cta-box,.related{border:1px solid var(--line);border-radius:18px;background:#fff;padding:22px}.factbox{background:var(--soft);margin:28px 0}.source-note,.disclosure{font-size:.84rem;color:var(--muted)}
.sidebar-card{position:sticky;top:90px;box-shadow:0 18px 50px rgba(25,44,80,.08)}.sidebar-card h3{font-size:1.45rem;line-height:1.2;margin:.4em 0}.checklist{padding-left:20px}.checklist li{margin:.45em 0}
.in-article-cta{margin:36px 0;background:linear-gradient(135deg,#eef4ff,#fff);border:1px solid #d9e3ff}.in-article-cta h2{margin-top:0}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.related-grid a{border:1px solid var(--line);border-radius:12px;padding:15px;text-decoration:none;font-weight:700}
footer{background:var(--ink);color:#fff;padding:42px 20px}footer .inner{max-width:1200px;margin:auto}footer a{color:#fff}.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.popup{display:none;position:fixed;inset:0;background:rgba(10,18,32,.78);z-index:90;align-items:center;justify-content:center;padding:20px}.popup.show{display:flex}.popup-box{background:#fff;border-radius:24px;padding:34px;max-width:620px;position:relative;box-shadow:0 30px 100px rgba(0,0,0,.35)}.popup-close{position:absolute;right:16px;top:10px;background:transparent;border:0;font-size:30px;cursor:pointer}
.mobile-cta{display:none}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:10px}
@media(max-width:900px){.navlinks a:not(.header-cta){display:none}.layout{grid-template-columns:1fr;gap:28px;padding-bottom:100px}.sidebar-card{position:static}.related-grid{grid-template-columns:1fr}.hero{padding:46px 20px}.mobile-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:70;text-align:center;box-shadow:0 10px 36px rgba(0,0,0,.24)}}
@media(max-width:540px){.nav{gap:10px}.brand{font-size:.96rem}.header-cta{padding:9px 12px}.hero h1{font-size:2.45rem}}